How can the particles and gases from a volcanic eruption affect the temperature of an ecosystem?
a. temperatures would fluctuate.
b. temperatures would fall.
c. temperatures would stay the same.
d. temperatures would rise.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: